{"id":"CVE-2026-125344","kind":"vulnerability","aliases":["CVE-2026-125344"],"related":[],"title":"Chrome: V8 type confusion lets a crafted web page run code","description":"Type confusion in V8 in Google Chrome prior to 157.0.8103.50 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"A type confusion bug in V8, the JavaScript engine in Google Chrome, lets a crafted HTML page make the browser execute code inside its sandbox. Chromium rates it High severity.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","chrome","linux","macos","runtime","windows"],"not_affected_if":["chrome-up-to-date"],"how_to_check":"- Open Chrome's version: `chrome://version` and compare against the fixed release\n- Check the installed Chrome version on managed machines with your device management tool","fix":"- Google Chrome: move to `157.0.8103.50` or later","status":"open","published_at":"2026-11-10T18:17:34+00:00","first_seen_at":"2026-11-10T18:22:56+00:00","triaged_at":"2026-11-10T18:26:43+00:00","updated_at":"2026-11-10T18:26:43+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-11-10T18:26:43Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `157.0.8103.50` or later","reach":"internet","title":"Chrome: V8 type confusion lets a crafted web page run code","impact":"high","summary":"A type confusion bug in V8, the JavaScript engine in Google Chrome, lets a crafted HTML page make the browser execute code inside its sandbox. Chromium rates it High severity.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browsers","windows","macos","linux"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox via a crafted page","analyst_note":"","how_to_check":"- Open Chrome's version: `chrome://version` and compare against the fixed release\n- Check the installed Chrome version on managed machines with your device management tool","plain_action":"Update Google Chrome to version 157.0.8103.50 or later: Chrome menu > Help > About Google Chrome.","product_name":"","needs_analyst":false,"not_affected_if":["chrome-up-to-date"],"who_is_affected":"Anyone running Google Chrome before 157.0.8103.50 who visits a page that can carry an attacker's script. Managed fleets and kiosks that browse the web are the main concern; the sources do not say whether non-Chromium browsers built on V8 are affected.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000718,"input_tokens":4531,"output_tokens":529,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-125344':14A,17A '-2026':13A,16A '157.0.8103.50':63C 'allow':64C 'arbitrari':70C 'attack':67C 'browser':18B,43B 'bug':27B 'chrome':1A,19B,35B,60C 'chromium':49B,80C 'code':11A,45B,71C 'confus':4A,26B,55C 'craft':7A,38B,77C 'cve':12A,15A 'engin':32B 'execut':44B,69C 'googl':34B,59C 'high':52B,83C 'html':39B,78C 'insid':46B,72C 'javascript':31B 'let':5A,36B 'linux':20B 'maco':21B 'make':41B 'page':9A,40B,79C 'prior':61C 'rate':50B 'remot':66C 'run':10A 'runtim':22B 'sandbox':48B,74C 'secur':81C 'sever':53B,82C 'type':3A,25B,54C 'v8':2A,29B,57C 'via':75C 'web':8A 'window':23B","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome before 157.0.8103.50 who visits a page that can carry an attacker's script. Managed fleets and kiosks that browse the web are the main concern; the sources do not say whether non-Chromium browsers built on V8 are affected.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome to version 157.0.8103.50 or later: Chrome menu > Help > About Google Chrome.","pkeys":[],"ptokens":[],"labels":["browsers","chrome","high","linux","macos","runtime","windows"],"campaign_type":null,"search_a":"'-125344':14A,17A '-2026':13A,16A 'chrome':1A 'code':11A 'confus':4A 'craft':7A 'cve':12A,15A 'let':5A 'page':9A 'run':10A 'type':3A 'v8':2A 'web':8A","search_b":"'browser':18B,43B 'bug':27B 'chrome':19B,35B 'chromium':49B 'code':45B 'confus':26B 'craft':38B 'engin':32B 'execut':44B 'googl':34B 'high':52B 'html':39B 'insid':46B 'javascript':31B 'let':36B 'linux':20B 'maco':21B 'make':41B 'page':40B 'rate':50B 'runtim':22B 'sandbox':48B 'sever':53B 'type':25B 'v8':29B 'window':23B","search_c":"'157.0.8103.50':63C 'allow':64C 'arbitrari':70C 'attack':67C 'chrome':60C 'chromium':80C 'code':71C 'confus':55C 'craft':77C 'execut':69C 'googl':59C 'high':83C 'html':78C 'insid':72C 'page':79C 'prior':61C 'remot':66C 'sandbox':74C 'secur':81C 'sever':82C 'type':54C 'v8':57C 'via':75C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T18:17:34+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-125344","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-125344","severity":null,"published_at":"2026-11-10T18:17:34+00:00","modified_at":"2026-11-10T18:17:34+00:00","first_seen_at":"2026-11-10T18:22:56+00:00","fetched_at":"2026-11-10T18:22:56+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}